Lubao, officially the Municipality of Lubao, is a municipality in the province of Pampanga, Philippines. According to the 2020 census, it has a po…Lubao, officially the Municipality of Lubao, is a municipality in the province of Pampanga, Philippines. According to the 2020 census, it has a population of 173,502 people. The town is known as the birthplace of Diosdado Macapagal, the 9th President of the Philippines.